mirror of
https://github.com/rbenv/ruby-build.git
synced 2025-11-28 23:00:58 +01:00
235 lines
6.2 KiB
Bash
Executable file
235 lines
6.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Summary: Install a Ruby version using ruby-build
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#
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# Usage: rbenv install [-f|-s] [-kpv] <version>
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# rbenv install [-f|-s] [-kpv] <definition-file>
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# rbenv install -l|--list
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# rbenv install --version
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#
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# -l/--list List all available versions
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# -f/--force Install even if the version appears to be installed already
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# -s/--skip-existing Skip if the version appears to be installed already
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#
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# ruby-build options:
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#
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# -k/--keep Keep source tree in $RBENV_BUILD_ROOT after installation
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# (defaults to $RBENV_ROOT/sources)
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# -p/--patch Apply a patch from stdin before building
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# -v/--verbose Verbose mode: print compilation status to stdout
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# --version Show version of ruby-build
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#
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# For detailed information on installing Ruby versions with
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# ruby-build, including a list of environment variables for adjusting
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# compilation, see: https://github.com/rbenv/ruby-build#usage
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#
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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# Add `share/ruby-build/` directory from each rbenv plugin to the list of
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# paths where build definitions are looked up.
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shopt -s nullglob
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for plugin_path in "$RBENV_ROOT"/plugins/*/share/ruby-build; do
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RUBY_BUILD_DEFINITIONS="${RUBY_BUILD_DEFINITIONS}:${plugin_path}"
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done
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export RUBY_BUILD_DEFINITIONS
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shopt -u nullglob
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# Provide rbenv completions
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if [ "$1" = "--complete" ]; then
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echo --list
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echo --force
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echo --skip-existing
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echo --keep
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echo --patch
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echo --verbose
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echo --version
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exec ruby-build --definitions
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fi
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# Load shared library functions
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eval "$(ruby-build --lib)"
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usage() {
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rbenv-help install 2>/dev/null
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[ -z "$1" ] || exit "$1"
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}
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definitions() {
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local query="$1"
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ruby-build --definitions | $(type -p ggrep grep | head -1) -F "$query" || true
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}
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indent() {
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sed 's/^/ /'
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}
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unset FORCE
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unset SKIP_EXISTING
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unset KEEP
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unset VERBOSE
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unset HAS_PATCH
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parse_options "$@"
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for option in "${OPTIONS[@]}"; do
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case "$option" in
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"h" | "help" )
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usage 0
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;;
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"l" | "list" )
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echo "Available versions:"
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definitions | indent
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exit
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;;
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"f" | "force" )
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FORCE=true
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;;
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"s" | "skip-existing" )
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SKIP_EXISTING=true
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;;
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"k" | "keep" )
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[ -n "${RBENV_BUILD_ROOT}" ] || RBENV_BUILD_ROOT="${RBENV_ROOT}/sources"
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;;
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"v" | "verbose" )
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VERBOSE="-v"
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;;
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"p" | "patch" )
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HAS_PATCH="-p"
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;;
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"version" )
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exec ruby-build --version
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;;
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* )
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usage 1 >&2
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;;
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esac
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done
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[ "${#ARGUMENTS[@]}" -le 1 ] || usage 1 >&2
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unset VERSION_NAME
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# The first argument contains the definition to install. If the
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# argument is missing, try to install whatever local app-specific
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# version is specified by rbenv. Show usage instructions if a local
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# version is not specified.
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DEFINITION="${ARGUMENTS[0]}"
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[ -n "$DEFINITION" ] || DEFINITION="$(rbenv-local 2>/dev/null || true)"
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[ -n "$DEFINITION" ] || usage 1 >&2
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# Define `before_install` and `after_install` functions that allow
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# plugin hooks to register a string of code for execution before or
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# after the installation process.
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declare -a before_hooks after_hooks
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before_install() {
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local hook="$1"
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before_hooks["${#before_hooks[@]}"]="$hook"
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}
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after_install() {
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local hook="$1"
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after_hooks["${#after_hooks[@]}"]="$hook"
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}
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OLDIFS="$IFS"
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IFS=$'\n' scripts=(`rbenv-hooks install`)
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IFS="$OLDIFS"
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for script in "${scripts[@]}"; do source "$script"; done
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# Set VERSION_NAME from $DEFINITION, if it is not already set. Then
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# compute the installation prefix.
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[ -n "$VERSION_NAME" ] || VERSION_NAME="${DEFINITION##*/}"
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PREFIX="${RBENV_ROOT}/versions/${VERSION_NAME}"
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[ -d "${PREFIX}" ] && PREFIX_EXISTS=1
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# If the installation prefix exists, prompt for confirmation unless
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# the --force option was specified.
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if [ -d "${PREFIX}/bin" ]; then
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if [ -z "$FORCE" ] && [ -z "$SKIP_EXISTING" ]; then
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echo "rbenv: $PREFIX already exists" >&2
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read -p "continue with installation? (y/N) "
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case "$REPLY" in
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y* | Y* ) ;;
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* ) exit 1 ;;
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esac
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elif [ -n "$SKIP_EXISTING" ]; then
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# Since we know the ruby version is already installed, and are opting to
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# not force installation of existing versions, we just `exit 0` here to
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# leave things happy
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exit 0
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fi
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fi
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# If RBENV_BUILD_ROOT is set, always pass keep options to ruby-build.
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if [ -n "${RBENV_BUILD_ROOT}" ]; then
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export RUBY_BUILD_BUILD_PATH="${RBENV_BUILD_ROOT}/${VERSION_NAME}"
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KEEP="-k"
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fi
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# Set RUBY_BUILD_CACHE_PATH to $RBENV_ROOT/cache, if the directory
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# exists and the variable is not already set.
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if [ -z "${RUBY_BUILD_CACHE_PATH}" ] && [ -d "${RBENV_ROOT}/cache" ]; then
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export RUBY_BUILD_CACHE_PATH="${RBENV_ROOT}/cache"
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fi
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# Default RBENV_VERSION to the globally-specified Ruby version. (The
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# REE installer requires an existing Ruby installation to run. An
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# unsatisfied local .ruby-version file can cause the installer to
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# fail.)
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export RBENV_VERSION="$(rbenv-global 2>/dev/null || true)"
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# Execute `before_install` hooks.
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for hook in "${before_hooks[@]}"; do eval "$hook"; done
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# Plan cleanup on unsuccessful installation.
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cleanup() {
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[ -z "${PREFIX_EXISTS}" ] && rm -rf "$PREFIX"
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}
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trap cleanup SIGINT
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# Invoke `ruby-build` and record the exit status in $STATUS.
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STATUS=0
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ruby-build $KEEP $VERBOSE $HAS_PATCH "$DEFINITION" "$PREFIX" || STATUS="$?"
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# Display a more helpful message if the definition wasn't found.
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if [ "$STATUS" == "2" ]; then
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{ candidates="$(definitions "$DEFINITION")"
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here="$(dirname "${0%/*}")"
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if [ -n "$candidates" ]; then
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echo
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echo "The following versions contain \`$DEFINITION' in the name:"
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echo "$candidates" | indent
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fi
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echo
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echo "See all available versions with \`rbenv install --list'."
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echo
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echo -n "If the version you need is missing, try upgrading ruby-build"
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if [ "$here" != "${here#$(brew --prefix 2>/dev/null)}" ]; then
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printf ":\n\n"
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echo " brew update && brew upgrade ruby-build"
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elif [ -d "${here}/.git" ]; then
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printf ":\n\n"
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echo " cd ${here} && git pull && cd -"
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else
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printf ".\n"
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fi
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} >&2
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fi
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# Execute `after_install` hooks.
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for hook in "${after_hooks[@]}"; do eval "$hook"; done
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# Run `rbenv-rehash` after a successful installation.
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if [ "$STATUS" == "0" ]; then
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rbenv-rehash
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else
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cleanup
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fi
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exit "$STATUS"
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